** Description changed: Using an ACER Laptop here unddddddder Ubuntu 25.04, behavior was the same under 24.10 and 24.04 : System Information - Manufacturer: Acer - Product Name: Aspire A515-57 - Version: V1.30 - + Manufacturer: Acer + Product Name: Aspire A515-57 + Version: V1.30 WiFi card is : 0000:00:14.3 Network controller: Intel Corporation Alder Lake-P PCH CNVi WiFi (rev 01) - Subsystem: Intel Corporation Dual Band Wi-Fi 6(802.11ax) AX201 160MHz 2x2 [Harrison Peak] - Flags: bus master, fast devsel, latency 0, IRQ 16, IOMMU group 9 - Memory at 601f274000 (64-bit, non-prefetchable) [size=16K] - Capabilities: [c8] Power Management version 3 - Capabilities: [d0] MSI: Enable- Count=1/1 Maskable- 64bit+ - Capabilities: [40] Express Root Complex Integrated Endpoint, IntMsgNum 0 - Capabilities: [80] MSI-X: Enable+ Count=16 Masked- - Capabilities: [100] Latency Tolerance Reporting - Capabilities: [164] Vendor Specific Information: ID=0010 Rev=0 Len=014 <?> - Kernel driver in use: iwlwifi - Kernel modules: iwlwifi + Subsystem: Intel Corporation Dual Band Wi-Fi 6(802.11ax) AX201 160MHz 2x2 [Harrison Peak] + Flags: bus master, fast devsel, latency 0, IRQ 16, IOMMU group 9 + Memory at 601f274000 (64-bit, non-prefetchable) [size=16K] + Capabilities: [c8] Power Management version 3 + Capabilities: [d0] MSI: Enable- Count=1/1 Maskable- 64bit+ + Capabilities: [40] Express Root Complex Integrated Endpoint, IntMsgNum 0 + Capabilities: [80] MSI-X: Enable+ Count=16 Masked- + Capabilities: [100] Latency Tolerance Reporting + Capabilities: [164] Vendor Specific Information: ID=0010 Rev=0 Len=014 <?> + Kernel driver in use: iwlwifi + Kernel modules: iwlwifi When using WiFi connected to a 5GHz access point, within a random time though mins to hours depending on the traffic usage on the card, the iwlwifi driver can get unusable leading to impossibility to use WiFi on the PC, only way to solve the problem after crash is to shutdown totally the laptop and cold boot to recover a usable connection. Attached are the logs found under dmesg which show when the problem occurs. + Found a way to avoid the problem to occurs but it leads to have an + almost unusable WiFi as the transfer rate is limited to 15~16Mbits/sec + ... + + by adding + options iwlwifi 11n_disable=1 + + to /etc/modprobe.d/iwlwifi.conf there is no crash anymore but it renders + the laptop very laggy on some situations... + + I have a double boot with Windows 11 on this laptop and can confirm that + I have no problem even with heavy speed usage under Windows, never had + annny crash related to WiFi under Windows, but sorry Windows is not a + solution for me :) + + Others tests I've done : + - tried with different Live USB : Fedora / Ubuntu / Mint : all failed so the problem could be related to a common issue with wilwifi drivers under Linux ? + - tried to change some settings at the access point's side : Mercusys HALO H80X which is 3 nodes Wifi 6 AX3000 Mesh but didn't find any setting which permit to solve the problem. I do not have access to another Access Point to test if this could be the culprit ... + - some more configurations under /etc/modprobe.d/iwlwifi.conf ( I will output them below in a separate attachment). + + Available and at your disposal to give some more informations and/or + debug more if you need some more tests. + + Thanks a lot for reading ! :) + + + ------------------------------------------------------- ProblemType: Bug DistroRelease: Ubuntu 25.04 Package: linux-image-generic 6.14.0-29.29 ProcVersionSignature: Ubuntu 6.14.0-29.29-generic 6.14.8 Uname: Linux 6.14.0-29-generic x86_64 ApportVersion: 2.32.0-0ubuntu5.3 Architecture: amd64 AudioDevicesInUse: - USER PID ACCESS COMMAND - /dev/snd/controlC0: lolomin 2090 F.... pipewire - lolomin 2093 F.... wireplumber - /dev/snd/seq: lolomin 2090 F.... pipewire + USER PID ACCESS COMMAND + /dev/snd/controlC0: lolomin 2090 F.... pipewire + lolomin 2093 F.... wireplumber + /dev/snd/seq: lolomin 2090 F.... pipewire CasperMD5CheckResult: pass CurrentDesktop: X-Cinnamon Date: Fri Aug 29 16:40:09 2025 InstallationDate: Installed on 2024-07-05 (420 days ago) InstallationMedia: Ubuntu-Cinnamon 24.04 LTS "Noble Numbat" - Release amd64 (20240425) MachineType: Acer Aspire A515-57 ProcEnviron: - LANG=fr_FR.UTF-8 - PATH=(custom, no user) - SHELL=/bin/bash - TERM=xterm-256color + LANG=fr_FR.UTF-8 + PATH=(custom, no user) + SHELL=/bin/bash + TERM=xterm-256color ProcFB: 0 i915drmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.14.0-29-generic root=UUID=3b1ab1f5-3c43-4750-a198-2f3128d73147 ro security=selinux quiet splash pcie_port_pm=off pcie_aspm.policy=performance vt.handoff=7 RelatedPackageVersions: - linux-restricted-modules-6.14.0-29-generic N/A - linux-backports-modules-6.14.0-29-generic N/A - linux-firmware 20250317.git1d4c88ee-0ubuntu1.5 + linux-restricted-modules-6.14.0-29-generic N/A + linux-backports-modules-6.14.0-29-generic N/A + linux-firmware 20250317.git1d4c88ee-0ubuntu1.5 SourcePackage: linux UpgradeStatus: Upgraded to plucky on 2025-04-29 (122 days ago) dmi.bios.date: 01/13/2025 dmi.bios.release: 1.30 dmi.bios.vendor: Insyde Corp. dmi.bios.version: V1.30 dmi.board.asset.tag: Type2 - Board Asset Tag dmi.board.name: Ganymede_ADU dmi.board.vendor: ADL dmi.board.version: V1.30 dmi.chassis.type: 10 dmi.chassis.vendor: Acer dmi.chassis.version: V1.30 dmi.ec.firmware.release: 1.29 dmi.modalias: dmi:bvnInsydeCorp.:bvrV1.30:bd01/13/2025:br1.30:efr1.29:svnAcer:pnAspireA515-57:pvrV1.30:rvnADL:rnGanymede_ADU:rvrV1.30:cvnAcer:ct10:cvrV1.30:sku0000000000000000: dmi.product.family: Aspire 5 dmi.product.name: Aspire A515-57 dmi.product.sku: 0000000000000000 dmi.product.version: V1.30 dmi.sys.vendor: Acer
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2121693 Title: iwlwifi drivers make network unavailable after some time To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2121693/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
